Improved bidirectional beam-propagation method by a fourth-order finite-difference scheme

被引：6
|
作者：
Zhang, Hua [1 ]
Mu, Jianwei [1 ]
Huang, Wei-Ping [1 ]
机构：
[1] McMaster Univ, Dept Elect & Comp Engn, Hamilton, ON L8S 4K1, Canada
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2007年 / 25卷 / 09期
关键词：
bidirectional beam propagation; finite-difference methods; high-index-contrast waveguides; scattering operators;
D O I：
10.1109/JLT.2007.902762
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A fourth-order finite-difference formula is applied to bidirectional beam-propagation method based on scattering operators. The method is shown to provide significant improvement in accuracy and efficiency, particularly for waveguide structures of high index contrast.
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页码：2807 / 2813
页数：7
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